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SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Parent Company Only) - Notes - Investments (Details) - Ameriprise Financial, Inc. - Subsidiaries - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 23, 2020
RVSL Unsecured surplus note due December 31, 2050
Related party transactions
Investment in note					$ 500
Investment interest rate					3.50%
RVSL Unsecured surplus note due December 31, 2050 \| Net investment income
Related party transactions
Interest income		$ 18	$ 18	$ 17
RVSL Unsecured surplus note due December 31, 2050 \| Investments
Related party transactions
Investment in note		500	500
Residual Tranche of Ameriprise Advisor Financing 2 asset backed security structure
Related party transactions
Net realized gains (losses)	$ (23)
Investment	$ 30
Residual Tranche of Ameriprise Advisor Financing 2 asset backed security structure \| Net investment income
Related party transactions
Interest income		7	7	$ 7
Residual Tranche of Ameriprise Advisor Financing 2 asset backed security structure \| Investments
Related party transactions
Investment in security of subsidiary		$ 30	$ 27